For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
Got an 820-3437 that came in dead. Corrosion only around JTAG, so removed JTAG to get the fan to spin, but now it does not post (no light on the mouse). CPU vcore is 1.5v. The fan also immediately spins up, not on and off a few times first. It is also spinning at max RPM.